Thermal Amplitude (Pathologic Cold)
Performing Laboratory
United Blood Services, Immunohematology Reference Laboratory (Phoenix, AZ)
Useful For
Determination of optimal temperature of reactivity of cold antibodies
Methodology
Red Cell Serology
Specimen Requirements
Please submit BOTH of the specimens below:
- 1 plain red top collected and sent separated at 37 C
- 1 EDTA purple top
- Contact Billings Clinic Blood Bank for further instructions prior to drawing specimens for this test
Reference Values
Reference values are included with patient’s report.
Day(s) Test Set Up
Daily
TAT: 24 hours
Test Classification and CPT Coding
86940 - Hemolysins and agglutinins; auto, screen, each
86941 - Hemolysins and agglutinins; incubated